Orange Pi5 kernel

/*
 * Copyright (C) 2006-2009 Red Hat, Inc.
 *
 * This file is released under the LGPL.
 */
 
#ifndef __DM_LOG_USERSPACE_TRANSFER_H__
#define __DM_LOG_USERSPACE_TRANSFER_H__
 
#define DM_MSG_PREFIX "dm-log-userspace"
 
int dm_ulog_tfr_init(void);
void dm_ulog_tfr_exit(void);
int dm_consult_userspace(const char *uuid, uint64_t luid, int request_type,
<------><------><------> char *data, size_t data_size,
<------><------><------> char *rdata, size_t *rdata_size);
 
#endif /* __DM_LOG_USERSPACE_TRANSFER_H__ */